CN209135879U

CN209135879U - A kind of stable height-regulating mechanism of chair with backrest

Info

Publication number: CN209135879U
Application number: CN201820992181.4U
Authority: CN
Inventors: 储绘蓝; 储来春
Original assignee: Shaoxing Yinchuan Software Development Co Ltd
Current assignee: Shaoxing Yinchuan Software Development Co Ltd
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2019-07-23
Anticipated expiration: 2028-06-26

Abstract

The utility model discloses a kind of stable height-regulating mechanisms of chair with backrest, it include: chair with backrest ontology, regulating mechanism and the pedestal immediately below the chair with backrest ontology, the chair with backrest ontology can be moved up and down by regulating mechanism relative to pedestal；The two sides of chair with backrest ontology lower end are respectively equipped with a locking mechanism, and the position of movable plate is fixed in locking mechanism；The locking mechanism of setting, limited block I is fixed by limited block II, so that the position of regulating mechanism is fixed, the phenomenon that regulating mechanism will not fall off because of shaking, while guaranteeing chair with backrest ontology stability in use, so that the utility model has convenient elevating function, it is practical.

Description

A kind of stable height-regulating mechanism of chair with backrest

Technical field

The utility model relates to household correlative technology fields, and in particular to a kind of stable height-regulating machine of chair with backrest Structure.

Background technique

It is a series of related with room or even including geography that household refers to that house decoration, furniture disposal, electric appliance are put etc. Position (household geomantic omen) belongs to household scope, and chair with backrest results from the Northern and Southern Dynasties, and what is used after the Tang Dynasty is more universal.Seat It is generally rectangular, there is backrest, arch takes brain, and the modeling characteristic of chair is exactly backrest without handrail, and backrest takes brain and do not lift one's head. The backrest of this chair has different form, has and is called " unifying upright stone tablet formula " chair.Another kind is referred to as " lamp extension chair ", his cross Beam length goes out two columns, but it is micro- tilt upward, like the lamp stand raise the wick of an oil lamp, so gain the name.

In the prior art, the form of chair with backrest is varied, and two kinds of one of the most common, leaning on for stationary structure Chair with back, this chair, which uses, to be consolidated, solid, but does not have elevating function；Two be the chair with backrest of lifting structure, typically It completes to go up and down by air pressure, the quality and usage mode to product have certain requirement, such as the purity and requirement of gas User gently takes light seat, and needs to inspect periodically, and explosion accident otherwise may occur, there are some potential safety problemss, thus It is proposed that a kind of stable height-regulating mechanism of chair with backrest is to solve the above problems.

Utility model content

In view of the above-mentioned problems of the prior art, machine is turned up in the stable that the utility model provides a kind of chair with backrest Structure, comprising: chair with backrest ontology, regulating mechanism and the pedestal immediately below the chair with backrest ontology, the chair Sub- ontology can be moved up and down by regulating mechanism relative to pedestal；Limited block I and the mounting base of setting fasten, so that guiding The upper and lower position of cylinder is fixed, and the stability in use of chair with backrest ontology is strong.

To achieve the goals above, a kind of stable height-regulating mechanism for chair with backrest that the utility model uses, comprising: Chair with backrest ontology, regulating mechanism and the pedestal immediately below the chair with backrest ontology, described this physical efficiency of chair with backrest Enough moved up and down by regulating mechanism relative to pedestal；

The lower end of the chair with backrest ontology is fixedly connected with the upper end of transverse slat, the lower end middle part of the transverse slat and guide cylinder Upper end be fixedly connected, in the groove of guide cylinder inserted base upper end, and the two sides of guide cylinder lower end pass through respectively One guide rod is fixedly connected with one end of a mounting base, and the quantity of the mounting base is two, two mounting bases it is another Be equipped with a movable pulley in end, the middle part of two movable pulleies is run through equipped with shaft, the both ends of shaft respectively with installation The inner wall of seat other end two sides is fixedly connected, and two movable pulleies are located at sliding vertically in slot at left and right sides of groove；

The regulating mechanism includes movable plate and limited block I, and the quantity of the movable plate is two, two movable plates it is upper End is respectively fixedly connected with a dovetail slide block, and two dovetail slide blocks are rabbeted respectively in the dovetail chute of transverse slat lower end two sides, and two The lower end of a movable plate is located at outside the two sides of pedestal, and the lower end of two movable plates respectively with a limited block I Side be fixedly connected, the side cross-sectional of the limited block I is C-shaped, and the other side insertion of limited block I slides vertically slot side Socket and extending to slide vertically in slot, the outside of the movable pulley is bonded with the other side of limited block I.

As advanced optimizing for above scheme, the quantity of the socket is no less than five, and socket vertically sliding groove Side vertical array setting.

As advanced optimizing for above scheme, the two sides of chair with backrest ontology lower end are respectively equipped with a locking machine The position of movable plate is fixed in structure, locking mechanism.

As advanced optimizing for above scheme, the locking mechanism includes limited block II, vertical baffle and limited block III, The top view cross section of the limited block II is C-shaped, and the distance between II one end two sides of limited block are greater than the thickness of movable plate, and limit The two sides of II one end of block are bonded with the outside of movable plate upper end, and the other end of the limited block II passes through strut I and vertical baffle One end be fixedly connected, the vertical baffle is L-shaped structure, the other end of vertical baffle through III middle part of limited block channel simultaneously The outside of limited block III is extended to, the upper end of the limited block III connects by the way that the lower end of strut II and chair with backrest ontology is fixed It connects.

As advanced optimizing for above scheme, the two sides up and down of the guide rod are equipped with reinforcing mechanisms.

As advanced optimizing for above scheme, the reinforcing mechanisms are two reinforcing rods, and two reinforcing rods are inclination Shape, one end of two reinforcing rods are fixedly connected with the two sides up and down of guide rod one end respectively, the other end of two reinforcing rods It is to be fixedly connected on the outside of guide cylinder lower end.

As advanced optimizing for above scheme, the upper end of extending column is fixedly connected in the middle part of the guide cylinder lower end, The upper end of extending column is located in groove, the circular hole of the lower end through-going recess bottom surface of extending column, and the lower end insertion of the extending column is led Into pipe, and the lower end of extending column is connected by the bottom surface of compressed spring and guide pipe, the upper end of the guide pipe and pedestal It is fixedly connected in the middle part of lower end, and the upper end of guide pipe is connected to by circular hole with groove.

As advanced optimizing for above scheme, upper end of the two sides of the pedestal lower end respectively with a heavy frame is fixed Connection.

A kind of stable height-regulating mechanism of the chair with backrest of the utility model, have it is following the utility model has the advantages that

1. a kind of stable height-regulating mechanism of chair with backrest of the utility model, limited block I and the mounting base phase of setting Engaging, so that the upper and lower position of guide cylinder is fixed, the stability in use of chair with backrest ontology is strong.

2. a kind of stable height-regulating mechanism of chair with backrest of the utility model, the locking mechanism of setting pass through limit Limited block I is fixed in block II, so that the position of regulating mechanism is fixed, what regulating mechanism will not occur falling off because of shaking Phenomenon, while guaranteeing chair with backrest ontology stability in use, so that the utility model has convenient elevating function, it is practical Property is strong.

3. a kind of stable height-regulating mechanism of chair with backrest of the utility model, the movable pulley of setting make guide cylinder Moving up and down is not in skew, and the guide pipe of setting makes moving up and down for guide cylinder lower end extending column be not in askew Tiltedly.

Detailed description of the invention

Fig. 1 is the structure front schematic view of the utility model；

Fig. 2 is the texture edge schematic diagram of the utility model；

Fig. 3 is structure enlargement diagram at A in Fig. 1 of the utility model；

Fig. 4 is the understructure diagrammatic cross-section of the utility model；

Fig. 5 is the locking mechanism schematic diagram of the utility model.

In figure: chair with backrest ontology 1, guide cylinder 3, pedestal 4, heavy frame 5, movable plate 6, limited block I 7, is inserted transverse slat 2 Mouthfuls 8, slot 9, movable pulley 10, mounting base 11, guide rod 12, reinforcing rod 13, guide pipe 14, limited block II 15, vertical is slid vertically Baffle 16, limited block III 17.

Specific embodiment

To make the objectives, technical solutions and advantages of the present invention clearer, below by attached drawing and implementing Example, the present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to Explain the utility model, the range being not intended to limit the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of stable height-regulating machine of chair with backrest Structure, comprising: chair with backrest ontology 1, regulating mechanism and the pedestal 4 immediately below chair with backrest ontology 1, chair with backrest sheet Body 1 can be moved up and down by regulating mechanism relative to pedestal 4；

The lower end of chair with backrest ontology 1 is fixedly connected with the upper end of transverse slat 2, upper with guide cylinder 3 in the middle part of the lower end of transverse slat 2 End is fixedly connected, and in the groove of 3 inserted base of guide cylinder, 4 upper end, and the two sides of 3 lower end of guide cylinder pass through one respectively and lead It is fixedly connected to bar 12 with one end of a mounting base 11, the quantity of mounting base 11 is two, the other end of two mounting bases 11 Inside be equipped with a movable pulley 10, the middle part of two movable pulleies 10 is run through equipped with shaft, the both ends of shaft respectively with mounting base The inner wall of 11 other end two sides is fixedly connected, and two movable pulleies 10 are located at sliding vertically in slot 9 at left and right sides of groove；

Regulating mechanism includes movable plate 6 and limited block I 7, and the quantity of movable plate 6 is two, the upper end point of two movable plates 6 It is not fixedly connected with a dovetail slide block, two dovetail slide blocks are rabbeted respectively in the dovetail chute of 2 lower end two sides of transverse slat, two work The lower end of movable plate 6 is located at outside the two sides of pedestal 4, and the lower end of two movable plates 6 respectively with a limited block I 7 one Side is fixedly connected, and the side cross-sectional of limited block I 7 is C-shaped, and the other side insertion of limited block I 7 slides vertically inserting for 9 side of slot It mouthfuls 8 and extends to and slides vertically in slot 9, the outside of movable pulley 10 is bonded with the other side of limited block I 7, the limited block I 7 of setting It fastens with mounting base 11, so that the upper and lower position of guide cylinder 3 is fixed, the stability in use of chair with backrest ontology 1 is strong；

The quantity of socket 8 is no less than five, and the side vertical array setting of the vertically sliding groove 9 of socket 8, chair with backrest The two sides of 1 lower end of ontology are respectively equipped with a locking mechanism, and the position of movable plate 6 is fixed in locking mechanism, locking mechanism Including limited block II 15, vertical baffle 16 and limited block III 17, the top view cross section of limited block II 15 is C-shaped, limited block II 15 1 The distance between two sides are held to be greater than the thickness of movable plate 6, and the outside of the two sides of II 15 one end of limited block and 6 upper end of movable plate is pasted It closing, the other end of limited block II 15 is fixedly connected by strut I with one end of vertical baffle 16, and vertical baffle 16 is L-shaped structure, The other end of vertical baffle 16 runs through the channel at III 17 middle part of limited block and extends to the outside of limited block III 17, limited block III 17 Upper end be fixedly connected by strut II with the lower end of chair with backrest ontology 1；

The locking mechanism of setting is fixed by II 15 pairs of limited blocks I 7 of limited block, so that the position of regulating mechanism is solid Calmly, the phenomenon that regulating mechanism will not fall off because of shaking, while guaranteeing 1 stability in use of chair with backrest ontology, So that the utility model has convenient elevating function, it is practical；

The two sides up and down of guide rod 12 are equipped with reinforcing mechanisms, and reinforcing mechanisms are two reinforcing rods 13, two reinforcing rods 13 Be it is skewed, one end of two reinforcing rods 13 is fixedly connected with the two sides up and down of 12 one end of guide rod respectively, two reinforcing rods 13 other end is to be fixedly connected on the outside of 3 lower end of guide cylinder, and the movable pulley 10 of setting makes moving up and down for guide cylinder 3 It is not in skew, the guide pipe 14 of setting makes moving up and down for 3 lower end extending column of guide cylinder be not in skew；

The upper end of extending column is fixedly connected in the middle part of 3 lower end of guide cylinder, the upper end of extending column is located in groove, extending column Lower end through-going recess bottom surface circular hole, extending column lower end insertion guide pipe 14 in, and the lower end of extending column by compression bullet Spring is connect with the bottom surface of guide pipe 14, is fixedly connected in the middle part of the upper end of guide pipe 14 and the lower end of pedestal 4, and guide pipe 14 is upper End is connected to by circular hole with groove, and the two sides of 4 lower end of pedestal are fixedly connected with the upper end of a heavy frame 5 respectively.

Working principle: the utility model first pulls limited block III 17 to side in lifting, and limited block III 17 drives limit Block II 15 is mobile to side, and limited block II 15 is separated with the upper end side of movable plate 6, releases the limit to movable plate 6, at this point, Two limited blocks III 17 are pulled to outside dovetail chute, so that limited block I 7 is moved to the outside of pedestal 4 from sliding vertically in slot 9, At this point, limited block I 7 is separated with movable pulley 10, releases the fixation to chair with backrest ontology 1 and pass through under the action of compressed spring Climbing power is conducted to chair with backrest ontology 1 by extending column and guide cylinder 3, and user is upper by pressing chair with backrest ontology 1 End moves inward two movable plates 6, limited block I 7 to adjust the height of chair with backrest ontology 1 when arrival needs height It is moved to and is slid vertically in slot 9 by socket 8, I 7 pairs of movable pulleies 10 of limited block form engaging (as shown in Figure 3), this is practical at this time Novel adjustment is completed.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of stable height-regulating mechanism of chair with backrest, comprising: chair with backrest ontology (1), regulating mechanism and be located at institute State the pedestal (4) immediately below chair with backrest ontology (1), it is characterised in that: the chair with backrest ontology (1) can be by adjusting machine Structure is moved up and down relative to pedestal (4)；

The lower end of the chair with backrest ontology (1) is fixedly connected with the upper end of transverse slat (2), in the middle part of the lower end of the transverse slat (2) with lead It is fixedly connected to the upper end of cylinder (3), in the groove of guide cylinder (3) inserted base (4) upper end, and guide cylinder (3) The two sides of lower end pass through a guide rod (12) respectively and are fixedly connected with one end of a mounting base (11), the mounting base (11) Quantity be two, be equipped with a movable pulley (10), two movable pulleies (10) in the other end of two mounting bases (11) Middle part run through equipped with shaft, the both ends of shaft are fixedly connected with the inner wall of mounting base (11) other end two sides respectively, and two A movable pulley (10) is located at sliding vertically in slot (9) at left and right sides of groove；

The regulating mechanism includes movable plate (6) and limited block I (7), and the quantity of the movable plate (6) is two, two activities The upper end of plate (6) is respectively fixedly connected with a dovetail slide block, and two dovetail slide blocks rabbet the swallow in transverse slat (2) lower end two sides respectively In tail sliding slot, the lower end of two movable plates (6) is located at outside the two sides of pedestal (4), and under two movable plates (6) End is fixedly connected with the side of a limited block I (7) respectively, and the side cross-sectional of the limited block I (7) is C-shaped, and limited block I (7) other side insertion, which slides vertically the socket (8) of slot (9) side and extends to, to slide vertically in slot (9), the movable pulley (10) outside is bonded with the other side of limited block I (7).

2. a kind of stable height-regulating mechanism of chair with backrest according to claim 1, it is characterised in that: the socket (8) quantity is no less than five, and the side vertical array setting of socket (8) vertically sliding groove (9).

3. a kind of stable height-regulating mechanism of chair with backrest according to claim 1, it is characterised in that: the chair The two sides of sub- ontology (1) lower end are respectively equipped with a locking mechanism, and the position of movable plate (6) is fixed in locking mechanism.

4. a kind of stable height-regulating mechanism of chair with backrest according to claim 3, it is characterised in that: the locking machine Structure includes limited block II (15), vertical baffle (16) and limited block III (17), and the top view cross section of the limited block II (15) is C Shape, the distance between limited block II (15) one end two sides are greater than the thickness of movable plate (6), and the two sides of limited block II (15) one end It is bonded with the outside of movable plate (6) upper end, the other end of the limited block II (15) passes through strut I and the one of vertical baffle (16) End is fixedly connected, and the vertical baffle (16) is L-shaped structure, and the other end of vertical baffle (16) is in the middle part of limited block III (17) Channel and extend to the outside of limited block III (17), the upper end of the limited block III (17) passes through strut II and chair with backrest sheet The lower end of body (1) is fixedly connected.

5. a kind of stable height-regulating mechanism of chair with backrest according to claim 1, it is characterised in that: the guide rod (12) two sides up and down are equipped with reinforcing mechanisms.

6. a kind of stable height-regulating mechanism of chair with backrest according to claim 5, it is characterised in that: the reinforcement machine Structure be two reinforcing rods (13), two reinforcing rods (13) be it is skewed, one end of two reinforcing rods (13) respectively with lead It is fixedly connected to the two sides up and down of bar (12) one end, the other end of two reinforcing rods (13) is the outer of guide cylinder (3) lower end Side is fixedly connected.

7. a kind of stable height-regulating mechanism of chair with backrest according to claim 1, it is characterised in that: the guiding circle The upper end of extending column is fixedly connected in the middle part of column (3) lower end, the upper end of extending column is located in groove, and the lower end of extending column is through recessed Lower end insertion guide pipe (14) of the circular hole of groove bottom, the extending column is interior, and the lower end of extending column by compressed spring and is led It connects, is fixedly connected in the middle part of the upper end of the guide pipe (14) and the lower end of pedestal (4), and guide pipe to the bottom surface of pipe (14) (14) upper end is connected to by circular hole with groove.

8. a kind of stable height-regulating mechanism of chair with backrest according to claim 1, it is characterised in that: the pedestal (4) two sides of lower end are fixedly connected with the upper end of a heavy frame (5) respectively.